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Completed Phase 3 Interventional Results available

Study to Evaluate the Effect of Voxelotor Administered Orally to Patients With Sickle Cell Disease (GBT_HOPE)

ClinicalTrials.gov ID: NCT03036813

Public ClinicalTrials.gov record NCT03036813. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Sep 2, 2026, 4:17 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Official title

A Phase 3, Double-blind, Randomized, Placebo-controlled, Multicenter Study of Voxelotor Administered Orally to Patients With Sickle Cell Disease

Brief summary

Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.

A Phase 3, Double-blind, Randomized, Placebo-controlled, Multicenter Study of Voxelotor Administered Orally to Patients With Sickle Cell Disease

Study identification

NCT ID
NCT03036813
Recruitment status
Completed
Study type
Interventional
Phase
Phase 3
Lead sponsor
Pfizer
Industry
Enrollment
449 participants

Conditions and interventions

Interventions

Drug · Other

Eligibility (public fields only)

Age range
12 Years to 65 Years
Sex
All
Healthy volunteers
Healthy volunteers not accepted

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 30, 2016
Primary completion
Oct 7, 2019
Completion
Oct 7, 2019
Last update posted
Jul 26, 2023

2016 – 2019

United States locations

U.S. sites
29
U.S. states
20
U.S. cities
28
Facility City State ZIP Site status
Not listed Birmingham Alabama 35205
Not listed Mobile Alabama 36693
Not listed Little Rock Arkansas 72204
Not listed Oakland California 94609
Not listed Miami Florida 33136
Not listed Atlanta Georgia 30342
Not listed Chicago Illinois 60612
Not listed Indianapolis Indiana 46260
Not listed Baton Rouge Louisiana 70808
Not listed New Orleans Louisiana 70112
Not listed Baltimore Maryland 21287
Not listed Bethesda Maryland 20817
Not listed Boston Massachusetts 02115
Not listed Boston Massachusetts 02118
Not listed Detroit Michigan 48201
Not listed Newark New Jersey 07112
Not listed New York New York 10032
Not listed The Bronx New York 11501
Not listed Chapel Hill North Carolina 27514
Not listed Durham North Carolina 27710
Not listed Greenville North Carolina 27834
Not listed Oklahoma City Oklahoma 73112
Not listed Philadelphia Pennsylvania 19107
Not listed Pittsburgh Pennsylvania 15219
Not listed Charleston South Carolina 29425
Not listed Memphis Tennessee 38105
Not listed Nashville Tennessee 37232
Not listed Houston Texas 77030
Not listed Richmond Virginia 23298

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

Non-U.S. locations

This page focuses on the U.S. directory. The official record also lists 33 non-U.S. sites.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT03036813, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Jul 26, 2023 · Synced Sep 2, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT03036813 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →